<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="班级名称" prop="className">
        <el-input
          v-model="queryParams.className"
          placeholder="请输入班级名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="1班级2办公室" prop="code">
        <el-input
          v-model="queryParams.code"
          placeholder="请输入1班级2办公室"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="删除标识" prop="deleteSign">
        <el-input
          v-model="queryParams.deleteSign"
          placeholder="请输入删除标识"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['teaching:class:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['teaching:class:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['teaching:class:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['teaching:class:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="classList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="班级编号" align="center" prop="classId" />
      <el-table-column label="班级名称" align="center" prop="className" />
      <el-table-column label="学院名称" align="center" prop="collegeName" />
      <el-table-column label="1班级2办公室" align="center" prop="code" />
      <el-table-column label="删除标识" align="center" prop="deleteSign" />
      <el-table-column label="备注" align="center" prop="remark" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['teaching:class:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['teaching:class:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    
    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改班级信息对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="班级名称" prop="className">
          <el-input v-model="form.className" placeholder="请输入班级名称" />
        </el-form-item>
        <el-form-item label="选择类型" prop="code">
          <el-radio-group v-model="form.code" size="medium">
            <el-radio v-for="(item, index) in codeOptions" :key="index" :label="item.value"
                      :disabled="item.disabled">{{item.label}}</el-radio>
          </el-radio-group>
        </el-form-item>

        <el-form-item label="学院选择" prop="collegeId">
          <el-select v-model="form.collegeId" placeholder="请选择学院选择" clearable :style="{width: '100%'}">
            <el-option
                v-for="item in formCollege"
                :key="item.collegeId"
                :label="item.collegeName"
                :value="item.collegeId"/>
          </el-select>
        </el-form-item>

        <el-form-item label="删除标识" prop="deleteSign">
          <el-input v-model="form.deleteSign" placeholder="请输入删除标识" />
        </el-form-item>
        <el-form-item label="备注" prop="remark">
          <el-input v-model="form.remark" placeholder="请输入备注" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listClass, getClass, delClass, addClass, updateClass } from "@/api/teaching/class";
import { listCollegeAll } from "@/api/teaching/college";
export default {
  name: "Class",
  data() {
    return {
      codeOptions: [{
        "label": "班级",
        "value": 1
      }, {
        "label": "办公室",
        "value": 2
      }],
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 班级信息表格数据
      classList: '',
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        className: null,
        collegeId: null,
        code: null,
        deleteSign: null,
      },
      // 表单参数
      form: {},
      formCollege: {},
      // 表单校验
      rules: {

        code: [{
          required: true,
          message: '选择类型不能为空',
          trigger: 'change'
        }],
      }
    };
  },
  created() {
   this.getList();
  },
  methods: {
    /** 查询班级信息列表 */
    async getList() {
      this.loading = true;
      await listClass(this.queryParams).then(response => {
        this.classList = response.rows;
        this.total = response.total;
      });
      await listCollegeAll().then(response => {
        this.formCollege = response.data;
      });

      for (var i = 0; i < this.classList.length; i++) {
        for (var j = 0; j < this.formCollege.length; j++) {
          if(this.classList[i].collegeId == this.formCollege[j].collegeId){
            this.$set(this.classList[i],"collegeName",this.formCollege[j].collegeName);
            break;
          }
          this.classList[i].collegeName = "错误";
        }
      }
      console.log(this.classList)
      this.loading = false;
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        classId: null,
        className: null,
        collegeId: null,
        code: null,
        deleteSign: null,
        createBy: null,
        createTime: null,
        updateBy: null,
        updateTime: null,
        remark: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.classId)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加班级信息";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const classId = row.classId || this.ids
      getClass(classId).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改班级信息";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.classId != null) {
            updateClass(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addClass(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const classIds = row.classId || this.ids;
      this.$modal.confirm('是否确认删除班级信息编号为"' + classIds + '"的数据项？').then(function() {
        return delClass(classIds);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('teaching/class/export', {
        ...this.queryParams
      }, `class_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
